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5 Installation
The work described in this chapter is to be
performed only by personnel appropriately
qualified to carry out such tasks.
5.1 Installation conditions
Work position
The work position for the regulator is the
front view onto all operating controls on the
regulator (including any additional fittings)
seen from the position of operating person-
nel.
Plant operators must ensure that, after instal-
lation of the device, the operating personnel
can perform all necessary work safely and
easily access the device from the work posi-
tion.
Pipeline routing
The inlet and outlet lengths vary depending
on several variables and process conditions
and are intended as recommendations. Con-
tact SAMSON if the lengths are significantly
shorter than the recommended lengths.
To ensure that the regulator functions proper-
ly, proceed as follows:
Î Observe the inlet and outlet lengths (see
Table 5-1). Contact SAMSON if the reg-
ulator conditions or state of the medium
process deviate.
Î Install the regulator allowing sufficient
space to remove it or to perform service
work on it.
Î Install the regulator free of stress and
with the least amount of vibrations as
EB 3124 EN
possible. Read information under
"Mounting position" and "Support or
suspension" in this chapter.
Mounting position
To ensure that the regulator functions proper-
ly, proceed as follows:
Î Standard mounting position: install the
actuator housing suspended downward
in horizontal pipelines (see Fig. 5-1).
Î Alternative mounting position (DN 15 to
25): install the actuator housing pointing
to the side in horizontal pipelines (see
Fig. 5-1).
Î Make sure the direction of flow matches
the direction indicated by the arrow on
the body.
Î Contact SAMSON if the mounting posi-
tion is not as specified above.
NOTICE
!
Damage due to freezing.
Protect the regulator from icing up when con-
trolling media that can freeze. Unless the
regulator is installed in locations where no
frost occurs, remove the regulator from the
pipeline when the plant is shut down.
Support or suspension
Note
The plant engineering company is responsi-
ble for selecting and implementing a suitable
support or suspension of the installed regula-
tor and the pipeline.
Installation
5-1
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